package sg.edu.nus.iss.vmcs.ui;

import java.util.ArrayList;
import java.util.List;
import java.util.Observer;

import javax.swing.JButton;
import javax.swing.JPanel;

public class DrinkSelectionPanel extends JPanel {
	private List<Observer> observers = new ArrayList<Observer>();
	
	private JButton cocacola, pepsi;
	
	
	
	public void addObserver(Observer observer) {
		if (!observers.contains(observer)) {
			observers.add(observer);
		}
	}
	
	
}
